US Patent Issued to THE UNIVERSITY OF HONG KONG on Nov. 3 for "Super electrochemical corrosion-resistant bilayer passive film structure and stainless steel suitable for water electrolysis industry" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,329, issued on Nov. 3, was assigned to THE UNIVERSITY OF HONG KONG (Hong Kong).

"Super electrochemical corrosion-resistant bilayer passive film structure and stainless steel suitable for water electrolysis industry" was invented by Mingxin Huang (Hong Kong) and Kaiping Yu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bilayer passive film structure of a substrate, comprising an inner layer comprising an oxide of a first element, and an outer layer comprising an oxide of a second element, wherein the passivation potential of the first element is lower than the passivation potential of the second element, and the passivation potentia...